<html>
  <head>
    <title>视频检测</title>
    <style>
      div{
        width: 100%;
        height: 100%;
        position: relative;
      }
      img{
        width: 100%;
        height: 100%;
      }
    </style>
  </head>
  <body>
    <div>
        <img src="{{ url_for('videoPre') }}">
    </div>

  </body>
</html>

